chore: add interp and tokens files in gitignore (#6)

Author: h3n4l

.gitignore

@@ -33,4 +33,9 @@ go.work.sum
 
 # Plguin
 # Intellij ANTLR plugin
-**/gen/
+**/gen/
+
+# ANTLR generated files
+**/*.interp
+**/*.tokens
+